Patents by Inventor Masahiro Teramoto
Masahiro Teramoto has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20190324578Abstract: According to an aspect, a detection device includes: a substrate; a detection electrode disposed on a plane parallel to a surface of the substrate and including conductive thin wires and electrical coupling portions disposed where the conductive thin wires intersect with each other or are bent, and are coupled with each other, the conductive thin wires being arranged in a mesh-like form; a coupling wire that couples the conductive thin wires with a detecting unit at an end portion of the detection electrode; and a protective layer that is made of an insulation material and that covers the detection electrode and the coupling wire. An area density of the conductive thin wires per unit area is smaller in an end region ranging from an electrical coupling portion closest to the coupling wire to the coupling wire than in a region of the entire detection electrode.Type: ApplicationFiled: July 3, 2019Publication date: October 24, 2019Inventors: Koji ISHIZAKI, Masahiro TERAMOTO, Yuji SATO
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Patent number: 10444928Abstract: In a capacitive touch panel, edge regions of the panel display generally have poor accuracy of coordinate detection of a touch point as compared to the intermediate region of the panel display. A display device includes a plurality of first electrodes arranged at predetermined pitches and extending in a X-direction; and a plurality of second electrodes arranged at predetermined pitches and extending in a Y-direction, wherein both endmost first electrodes of the plurality of first electrodes have a smaller pitch than the other first electrodes, both endmost second electrodes of the plurality of second electrodes have a smaller pitch than the other second electrodes, and the display device is configured to detect a touch based on a capacitance variation at one or more of intersections of the plurality of first electrodes with the plurality of second electrodes.Type: GrantFiled: November 6, 2017Date of Patent: October 15, 2019Assignee: Japan Display Inc.Inventors: Hiroshi Tanaka, Masahiro Teramoto
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Patent number: 10423275Abstract: A touch panel includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of wirings. Each of the plurality of first electrodes has a first portion formed on a layer different from that on which the second electrodes are formed and intersecting the second electrodes and a second portion formed on the sane layer as that on which the second electrodes are formed, but separated from the second electrode. The second electrode and the second portion of the first electrode are formed on a layer different than the layer where the wiring is formed. The first portion of the first electrode is connected to the second portion through a contact portion formed in an insulating film made of a negative resist between the first portion and the second electrode.Type: GrantFiled: December 19, 2018Date of Patent: September 24, 2019Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Masahiro Teramoto
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Patent number: 10345982Abstract: According to an aspect, a detection device includes: a substrate; a detection electrode disposed on a plane parallel to a surface of the substrate and including conductive thin wires and electrical coupling portions disposed where the conductive thin wires intersect with each other or are bent, and are coupled with each other, the conductive thin wires being arranged in a mesh-like form; a coupling wire that couples the conductive thin wires with a detecting unit at an end portion of the detection electrode; and a protective layer that is made of an insulation material and that covers the detection electrode and the coupling wire. An area density of the conductive thin wires per unit area is smaller in an end region ranging from an electrical coupling portion closest to the coupling wire to the coupling wire than in a region of the entire detection electrode.Type: GrantFiled: January 15, 2019Date of Patent: July 9, 2019Assignee: Japan Display Inc.Inventors: Koji Ishizaki, Masahiro Teramoto, Yuji Sato
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Publication number: 20190146613Abstract: According to an aspect, a detection device includes: a substrate; a detection electrode disposed on a plane parallel to a surface of the substrate and including conductive thin wires and electrical coupling portions disposed where the conductive thin wires intersect with each other or are bent, and are coupled with each other, the conductive thin wires being arranged in a mesh-like form; a coupling wire that couples the conductive thin wires with a detecting unit at an end portion of the detection electrode; and a protective layer that is made of an insulation material and that covers the detection electrode and the coupling wire. An area density of the conductive thin wires per unit area is smaller in an end region ranging from an electrical coupling portion closest to the coupling wire to the coupling wire than in a region of the entire detection electrode.Type: ApplicationFiled: January 15, 2019Publication date: May 16, 2019Inventors: Koji ISHIZAKI, Masahiro TERAMOTO, Yuji SATO
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Publication number: 20190121490Abstract: A touch panel includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of wirings. Each of the plurality of first electrodes has a first portion formed on a layer different from that on which the second electrodes are formed and intersecting the second electrodes and a second portion formed on the sane layer as that on which the second electrodes are formed, but separated from the second electrode. The second electrode and the second portion of the first electrode are formed on a layer different than the layer where the wiring is formed. The first portion of the first electrode is connected to the second portion through a contact portion formed in an insulating film made of a negative resist between the first portion and the second electrode.Type: ApplicationFiled: December 19, 2018Publication date: April 25, 2019Inventor: Masahiro TERAMOTO
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Publication number: 20190095038Abstract: A manufacturing method of a touch panel includes the steps of providing a substrate, forming a first conductive film on the substrate, forming a first mask on the first conductive film, etching the first conductive film to form electrode portions and lower intersect portions of the touch panel, forming an insulating film made of a negative resist on the first conductive film, and forming a contact hole above the electrode portion by removing the insulating film. The steps further include forming a second conductive film on the insulating film, forming a second mask on the second conductive film, etching the second conductive film to form an upper intersect portion connected between two adjacent electrode portions via the contact hole and intersecting with the lower intersect portion, and forming protective film on the second conductive film.Type: ApplicationFiled: November 26, 2018Publication date: March 28, 2019Inventor: Masahiro TERAMOTO
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Patent number: 10216343Abstract: According to an aspect, a detection device includes: a substrate; a detection electrode disposed on a plane parallel to a surface of the substrate and including conductive thin wires and electrical coupling portions disposed where the conductive thin wires intersect with each other or are bent, and are coupled with each other, the conductive thin wires being arranged in a mesh-like form; a coupling wire that couples the conductive thin wires with a detecting unit at an end portion of the detection electrode; and a protective layer that is made of an insulation material and that covers the detection electrode and the coupling wire. An area density of the conductive thin wires per unit area is smaller in an end region ranging from an electrical coupling portion closest to the coupling wire to the coupling wire than in a region of the entire detection electrode.Type: GrantFiled: November 14, 2016Date of Patent: February 26, 2019Assignee: Japan Display Inc.Inventors: Koji Ishizaki, Masahiro Teramoto, Yuji Sato
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Publication number: 20190033995Abstract: A display device includes a display panel having a display area where subpixels for emitting light in different colors are arranged in a matrix shape, the display panel having a peripheral area where terminals and a drive circuit are formed; and metal lines for touch sensing on the display panel. The display panel has a non-rectangular shape with a curve part of a contour in a plan view. The metal lines extend in at least two directions and cross at portions to form a mesh shape. The subpixels include some subpixels arranged stepwise in an outline area of the display area next to the curve part of the contour. None of the metal lines is formed on the subpixels arranged stepwise.Type: ApplicationFiled: July 3, 2018Publication date: January 31, 2019Applicant: Japan Display Inc.Inventor: Masahiro TERAMOTO
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Patent number: 10191587Abstract: A touch panel includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of wirings. Each of the plurality of first electrodes has a first portion formed on a layer different from that on which the second electrodes are formed and intersecting the second electrodes, and a second portion formed on the same layer as that on which the second electrodes are formed, but separated from the second electrode. The second electrode and the second portion of the first electrode are formed on a layer different than the layer where the wiring is formed. The first portion of the first electrode is connected to the second portion through a contact portion formed in an insulating film made of a negative resist between the first portion and the second electrode.Type: GrantFiled: April 13, 2018Date of Patent: January 29, 2019Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Masahiro Teramoto
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Patent number: 10168828Abstract: A manufacturing method of a touch panel includes the steps of providing a substrate, forming a first conductive film on the substrate, forming a first mask on the first conductive film, etching the first conductive film to form electrode portions and lower intersect portions of the touch panel, forming an insulating film made of a negative resist on the first conductive film, and forming a contact hole above the electrode portion by removing the insulating film. The steps further include forming a second conductive film on the insulating film, forming a second mask on the second conductive film, etching the second conductive film to form an upper intersect portion connected between two adjacent electrode portions via the contact hole and intersecting with the lower intersect portion, and forming protective film on the second conductive film.Type: GrantFiled: March 12, 2018Date of Patent: January 1, 2019Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Masahiro Teramoto
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Publication number: 20180307370Abstract: A touchscreen includes a plurality of X electrodes extending in a first direction and arranged in parallel in a second direction, a plurality of Y electrodes extending in the second direction so as to intersect the X electrodes and arranged in parallel in the first direction, and pedestal layers formed at respective intersections between the plurality of X electrodes and the plurality of Y electrodes, wherein an intersection portion of each Y electrode is formed under the pedestal layer, wherein a part of an intersection portion of each X electrode is formed on the pedestal layer and both ends thereof are electrically connected to adjacent electrode portions of the X electrodes, and wherein a profile of a portion of the pedestal layer intersecting the intersection portion of the X electrode has a nonlinear shape when viewed from a direction perpendicular to the substrate.Type: ApplicationFiled: June 27, 2018Publication date: October 25, 2018Inventor: Masahiro TERAMOTO
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Publication number: 20180232098Abstract: A touch panel includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of wirings. Each of the plurality of first electrodes has a first portion formed on a layer different from that on which the second electrodes are formed and intersecting the second electrodes, and a second portion formed on the same layer as that on which the second electrodes are formed, but separated from the second electrode. The second electrode and the second portion of the first electrode are formed on a layer different than the layer where the wiring is formed. The first portion of the first electrode is connected to the second portion through a contact portion formed in an insulating film made of a negative resist between the first portion and the second electrode.Type: ApplicationFiled: April 13, 2018Publication date: August 16, 2018Inventor: Masahiro TERAMOTO
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Patent number: 10031617Abstract: A touchscreen includes a plurality of X electrodes extending in a first direction and arranged in parallel in a second direction, a plurality of Y electrodes extending in the second direction so as to intersect the X electrodes and arranged in parallel in the first direction, and pedestal layers formed at respective intersections between the plurality of X electrodes and the plurality of Y electrodes, wherein an intersection portion of each Y electrode is formed under the pedestal layer, wherein a part of an intersection portion of each X electrode is formed on the pedestal layer and both ends thereof are electrically connected to adjacent electrode portions of the X electrodes, and wherein a profile of a portion of the pedestal layer intersecting the intersection portion of the X electrode has a nonlinear shape when viewed from a direction perpendicular to the substrate.Type: GrantFiled: September 8, 2016Date of Patent: July 24, 2018Assignee: Japan Display Inc.Inventor: Masahiro Teramoto
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Publication number: 20180203563Abstract: A manufacturing method of a touch panel includes the steps of providing a substrate, forming a first conductive film on the substrate, forming a first mask on the first conductive film, etching the first conductive film to form electrode portions and lower intersect portions of the touch panel, forming an insulating film made of a negative resist on the first conductive film, and forming a contact hole above the electrode portion by removing the insulating film. The steps further include forming a second conductive film on the insulating film, forming a second mask on the second conductive film, etching the second conductive film to form an upper intersect portion connected between two adjacent electrode portions via the contact hole and intersecting with the lower intersect portion, and forming protective film on the second conductive film.Type: ApplicationFiled: March 12, 2018Publication date: July 19, 2018Inventor: Masahiro TERAMOTO
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Patent number: 9977525Abstract: A manufacture method for display device includes the steps of: (a) forming a metal film on a substrate; (b) forming a metal layer by patterning the metal film; and (c) following the step (b) and forming, on the metal layer, a low reflection layer of a resin. The step (b) includes the steps of: (b1) forming an etching protection film; (b2) patterning the etching protection film; and (b3) following the step (b2) and etching the metal film.Type: GrantFiled: May 14, 2015Date of Patent: May 22, 2018Assignee: Japan Display Inc.Inventor: Masahiro Teramoto
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Patent number: 9971450Abstract: A touch panel includes a plurality of first electrodes, a plurality of second electrodes, and a plurality of wirings. Each of the plurality of first electrodes has a first portion formed on a layer different from that on which the second electrodes are formed and intersecting the second electrodes, and a second portion formed on the same layer as that on which the second electrodes are formed, but separated from the second electrode. The second electrode and the second portion of the first electrode are formed on a layer different than the layer where the wiring is formed. The first portion of the first electrode is connected to the second portion through a contact portion formed in an insulating film made of a negative resist between the first portion and the second electrode.Type: GrantFiled: September 14, 2017Date of Patent: May 15, 2018Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventor: Masahiro Teramoto
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Patent number: 9952710Abstract: A manufacturing method of a touch panel includes the steps of providing a substrate, forming a first conductive film on the substrate, forming a first mask on the first conductive film, etching the first conductive film to form electrode portions and lower intersect portions of the touch panel, forming an insulating film made of a negative resist on the first conductive film, and forming a contact hole above the electrode portion by removing the insulating film. The steps further include forming a second conductive film on the insulating film, forming a second mask on the second conductive film, etching the second conductive film to form an upper intersect portion connected between two adjacent electrode portions via the contact hole and intersecting with the lower intersect portion, and forming protective film on the second conductive film.Type: GrantFiled: January 28, 2016Date of Patent: April 24, 2018Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co. Ltd.Inventor: Masahiro Teramoto
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Publication number: 20180059827Abstract: In a capacitive touch panel, edge regions of the panel display generally have poor accuracy of coordinate detection of a touch point as compared to the intermediate region of the panel display. A display device includes a plurality of first electrodes arranged at predetermined pitches and extending in a X-direction; and a plurality of second electrodes arranged at predetermined pitches and extending in a Y-direction, wherein both endmost first electrodes of the plurality of first electrodes have a smaller pitch than the other first electrodes, both endmost second electrodes of the plurality of second electrodes have a smaller pitch than the other second electrodes, and the display device is configured to detect a touch based on a capacitance variation at one or more of intersections of the plurality of first electrodes with the plurality of second electrodes.Type: ApplicationFiled: November 6, 2017Publication date: March 1, 2018Inventors: Hiroshi TANAKA, Masahiro TERAMOTO
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Patent number: 9882542Abstract: In a filter component with improved attenuation characteristics for common mode noise, an LC series resonance circuit disposed in each of a plurality of shunt circuits is connected at a first end to a first line and is grounded at a second end. The LC series resonance circuit disposed in each of the shunt circuits is grounded at a first end and is connected at a second end to a second line. With this configuration, the LC series resonance circuits resonate reliably so as to define attenuation poles. Accordingly, the resonant frequency of each of the LC series resonance circuits is set to be a frequency that effectively attenuates common mode noise.Type: GrantFiled: June 2, 2016Date of Patent: January 30, 2018Assignee: Murata Manufacturing Co., Ltd.Inventor: Masahiro Teramoto